double

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double

1. (of flowers) having more than the normal number of petals
2. Maths
a. (of a root) being one of two equal roots of a polynomial equation
b. (of an integral) having an integrand containing two independent variables requiring two integrations, in each of which one variable is kept constant
3. Music
a. (of an instrument) sounding an octave lower than the pitch indicated by the notation
b. (of time) duple, usually accompanied by the direction alla breve
4. an actor who plays two parts in one play
5. Bridge a call that increases certain scoring points if the last preceding bid becomes the contract
6. Billiards Snooker a strike in which the object ball is struck so as to make it rebound against the cushion to an opposite pocket
7. a bet on two horses in different races in which any winnings from the horse in the first race are placed on the horse in the later race
8. Chiefly RC Church one of the higher-ranking feasts on which the antiphons are recited both before and after the psalms
9. Music an ornamented variation in 16th and 17th century music
10. 
a. the narrow outermost ring on a dartboard
b. a hit on this ring
References in periodicals archive ?
The operation of a conventional voltage doubler circuit is discussed in Section 3.
The LTC insurance crisis helped spark the birth of nursing home doublers. They didn't expect interest rates to fall to record lows and stay there.
Ian Robertson, a happy Toon fan, volunteers his favourite doubler: "I give you Allardyced up.
For testing the large-signal performance of the two frequency doublers, the bias voltages were set to [V.sub.DS] = 3 V and [V.sub.GS] = -0.8 V, for class-B operation.
Not surprisingly, the government has run genetic-engineering experiments on the population, which partly accounts for the wildly variable attributes of the doublers. Also not surprisingly, the controlled-mutation plan has retroactivedly been erased, along with Eden's ruler, from public discourse.
Support Systems International has added Station Doubler to its full line of ROBOX PC interface products.
TriQuint Semiconductor, Inc., a leading RF solutions supplier and technology innovator, has released the first two members of its cost-effective TriAccess hybrid-packaged power doubler family.
In modules where doublers are used as output devices subharmonic suppression is typically greater than 40 dB due to the doublers' inherent balance and the filtering action of the output matching circuit.
TriQuint has also introduced two new high performance 12V infrastructure power doublers: the TAT2801 and TAT8801A1H.
The models HMC187MS8 and HMC188MS8 GaAs MMIC frequency doublers fulfill these requirements while covering output frequency ranges of 1.7 to 4 GHz and 2.5 to 6 GHz, respectively.
David Nicklin, Michael Thomson, John McCann, Walter Tavener, Christopher Teasdale and Edward Bullock have all been in hot form, bringing in joint returns of over PS2,500 to be crowned Top Daily Doublers in the last seven days.
About a year ago, there was a real scarcity of readily-available coaxial microwave components, including mixers and frequency doublers to perform noise figure measurements, covering the 26 to 40 GHz frequency range.